CASTLE AND BECKETT INVESTIGATE A MYSTERIOUS MURDER ON A POPULAR LATE-NIGHT SKETCH COMEDY SHOW, ON ABC'S "CASTLE"

Carly Rae Jepsen and Jaleel White Guest Star

"Dead From New York" - When Sid Ross, the powerful creator of a long-running sketch comedy show is killed, Castle and Beckett are called to investigate. But as they delve into the victim's life and the colorful world of "Saturday Night Tonight," they uncover a shocking secret that may explain Sid's murder. Carly Rae Jepson is featured as a musical guest, on "Castle," MONDAY, MAY 4 (10:01-11:00 p.m., ET) on the ABC Television Network. Also, Jaleel White plays Mickey Franks, a larger-than-life sketch comedy star with a tendency toward outrageous -- and possibly homicidal -- behavior.

"Castle" stars Nathan Fillion as Richard Castle, Stana Katic as NYPD Detective Kate Beckett, Susan Sullivan as Martha Rodgers, Molly Quinn as Alexis Castle, Penny Johnson Jerald as NYPD Captain Victoria Gates, Tamala Jones as Medical Examiner Lanie Parish, Jon Huertas as NYPD Detective Javier Esposito, and Seamus Dever as NYPD Detective Kevin Ryan.

Guest Cast: Carly Rae Jepsen as herself, Jaleel White as Mickey Franks, Gregory Harrison as Danny Valentine, James Eckhouse as Gene Vogel, Joy Osmanski as Liz Bell, Mark Rolston as Kurt Van Zant.

"Dead From New York" was written by Terence Paul Winter and directed by Jeannot Szwarc.

"Castle" is produced by ABC Studios. The executive producers are Andrew Marlowe (creator), David Amann (showrunner), Rob Bowman, Armyan Bernstein, Rob Hanning and Terri Edda Miller.

"Castle" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound. A TV parental guideline will be assigned closer to airdate.

For more information on "Castle," visit ABC.com